Hymenoniycetse, Agaricaccte, Lencosporfc, Lactarins. 129 



fulvis, 100-150 (X longis, basi 7, apice 12 [x crassis ; sporis globosis 

 vel subglobosis, episporio granuloso, substrainineis, 7 [x diani. vel 

 7-9 * G-8 ; basidiis clavatis, 24-25 ^ 6-7; cystidiis clavatis, basi bya- 

 linis, apice crusta fulva tunicatis, 40-45*12-15; lacte . . . . ? 



Hah. ad terram, Region des Bambota, Congo (R. P. Allard). — 

 Ob specimina sicca, non bene confecta diagnosis non tantum in- 

 completa sed etiam minus exacta, sed tamen species cystidiis cla- 

 vatis, bicoloribus, incrustatis facile distiucta. 



8. Lactarius tricolor Massee, in Bull. Bot. Gard. Kew, 1908, p. 3.— 487 

 Pileo carnosulo, e convexo depresso vel infundibuliformi, margine 

 primitus involnto alboque, pruinato, zonato, castaneo, 4-5 cm. lato; 

 stipite farcto, sursum attenuato, giabro, purpureo, 4-5 cm. alto, 1 

 cm. crasso ; lamellis confertissimis, angustis, ocbraceis ; sporis 

 globosis, spinulosis, byalinis, 6-7 [x diam. — Lac ignotum. 



Hah. ad terram in borto botan. Singapore (Ridley) — Structura 

 L. quieto Fr. proxiraus, sed sporis angustioribus et tincta tricolori 

 distinctus. 



9. Lactarius brevipes Longyear, in III Rep. Micbig. Acad. Scienc. 1902, 4 88 

 p. 59, t. I, fig. o — Pileo 1,5-3 cm. lato, primo convexo, dein plano- 

 depresso, margine intiexo, sicco, albo-pruinoso, deterso rubescente, 

 obsolete zonato, carne alba ; lamellis adnexis, angustissimis, pal- 

 lide fulvis, teuuibus, interdum furcatis ; stipite 0,5-1,3 cm. longo, 



5-6 mm. cr., devisum leniter tennato, glabro, albo, solido ; sporis 

 giobosis, echinulatis, 6 [x diam.; lacte albo, dein sub aere flavidulo, 

 subacri, inodoro. 



Hah. ad terram muscosam in silvis quercinis, Pleasant Lake 

 Michigan, Amer. bor. — Lactario thejogalo videtur affinis. 



10. Lactarius subserifluus Longyear, in III Rep. Mich. Acad. Scienc, 489 

 1902, p. 57, t. I, fig. 2. — Pileo 1,5-2 cm. lato, teuuiter carnoso, 

 convexo v. plano, circa umbonem papilliformem depresso, fulvo v. 

 sublatericio, interdum irregulari, sicco, giabro, margine subcrenato ; 

 lamellis concoloribus, crassiusculis, subdistantibus, latiusculis, ad- 

 nato-decurrentibus ; stipite 1,5-2,5 cm. lougo, 2-3 mm. cr., deorsum 

 sensim incrassato, pileo concolore, levi, giabro, basi pallidiore et 

 pruinoso, cavo; lacte seri ad instar aquoso, dulci, inodoro; sporis 

 globosis, echinulatis, 6-8 [x diam. 



Hab. ad terram nudam vel muscosam in silvis montanis, Michi- 

 gan, Amer. bor. — Lactario suhdulci et L. serijiuo affinis. 



11. Lactarius Theissenii J. Murr., Oesterr.-bot. Ztschr. 67., 1918, 490 

 p. 350. — A L. ligmjoto (Fr.) diflfert pileo multo latiore, non um- 



Syll. fmig. XXllI (XI-1923) 9 



